<!doctype html>
<html>
  <head>
    <meta charset="utf-8">
    <title>CodeMirror: Active Line Demo</title>
    <link rel="stylesheet" href="../lib/codemirror.css">
    <script src="../lib/codemirror.js"></script>
    <script src="../mode/xml/xml.js"></script>
    <link rel="stylesheet" href="../doc/docs.css">

    <style type="text/css">
      .CodeMirror {border-top: 1px solid black; border-bottom: 1px solid black;}
      .activeline {background: rgb(62,51,60) !important;}
    </style>
  </head>
  <body>
    <h1>CodeMirror: Active Line Demo</h1>

    <form><textarea id="code" name="code">
<?xml version="1.0" encoding="UTF-8"?>
<rss xmlns:atom="http://www.w3.org/2005/Atom" version="2.0"
     xmlns:georss="http://www.georss.org/georss"
     xmlns:twitter="http://api.twitter.com">
  <channel>
    <title>Twitter / codemirror</title>
    <link>http://twitter.com/codemirror</link>
    <atom:link type="application/rss+xml"
               href="http://twitter.com/statuses/user_timeline/242283288.rss" rel="self"/>
    <description>Twitter updates from CodeMirror / codemirror.</description>
    <language>en-us</language>
    <ttl>40</ttl>
  <item>
    <title>codemirror: http://cloud-ide.com &#8212; they're springing up like mushrooms. This one
      uses CodeMirror as its editor.</title>
    <description>codemirror: http://cloud-ide.com &#8212; they're springing up like mushrooms. This
      one uses CodeMirror as its editor.</description>
    <pubDate>Thu, 17 Mar 2011 23:34:47 +0000</pubDate>
    <guid>http://twitter.com/codemirror/statuses/48527733722058752</guid>
    <link>http://twitter.com/codemirror/statuses/48527733722058752</link>
    <twitter:source>web</twitter:source>
    <twitter:place/>
  </item>
  <item>
    <title>codemirror: Posted a description of the CodeMirror 2 internals at
      http://codemirror.net/2/internals.html</title>
    <description>codemirror: Posted a description of the CodeMirror 2 internals at
      http://codemirror.net/2/internals.html</description>
    <pubDate>Wed, 02 Mar 2011 12:15:09 +0000</pubDate>
    <guid>http://twitter.com/codemirror/statuses/42920879788789760</guid>
    <link>http://twitter.com/codemirror/statuses/42920879788789760</link>
    <twitter:source>web</twitter:source>
    <twitter:place/>
  </item>
  </channel>
</rss></textarea></form>

    <script>
var editor = CodeMirror.fromTextArea(document.getElementById("code"), {
  mode: "application/xml",
  lineNumbers: true,
  lineWrapping: true
});
var hlLine = editor.addLineClass(0, "background", "activeline");
editor.on("cursorActivity", function() {
  var cur = editor.getLineHandle(editor.getCursor().line);
  if (cur != hlLine) {
    editor.removeLineClass(hlLine, "background", "activeline");
    hlLine = editor.addLineClass(cur, "background", "activeline");
  }
});
</script>

    <p>Styling the current cursor line.</p>

  </body>
</html>
